Metal forming machines are machineries that do forming processes not by traditional cutting but deforming methods on the work pieces materials. This process does not add or remove the existing materials, and the forming work pieces remain unchanged regarding its physical mass.
On the other side, if it is a drill press, or punch machine, then some of the work piece parts are changed as cut by metal dies but the cut part still remains unchanged by its existence.
There are many different types of metal forming machines in the metal working sector, such as forging forming, casting forming, tube bending, bar bending, sheet welding, pipe welding, die cutting, punch cutting, cut to length, and many other metal forming machines. Regarding the industrial applications of these metal forming machines, there are many of them are all applied to furniture, sports, consumer electronics, and household appliances.
In the making of cutting pieces, the size of the forming die determines the corresponding sizes of the press machines to be used. To be precise, forming units such as hydraulic press has been classified into several categories, such as hydraulic deep drawing press, hydraulic try out press, and other cutting die forming machines.
If compared with other press machines such as try out press and ordinary metal forming machines, the mechanical force of hydraulic press machines would be much stronger than others, because the primary task of this kind of machines is to make forming on the work pieces no matter of its material essences. Moreover, since conventional press forming machines are responsible for real and massive production of products, the mechanical strength is not only confined to the forces, but also to many other cutting and forming specifications.
But even if forming machines include some cutting process, machining centers, milling centers, turning centers are not recognized as forming machines because their basic cutting and forming methodology are different, let alone the bending nature which is distant from the real time process.
Welding is a fabrication process that joins metal materials by using high heat temperature to melt the metal parts together and allowing them to cool causing metal fusion. Welding machine is distinct from lower temperature metal-joining machines such as soldering and brazing machines. In addition to melting the base metal, a filler material is typically added to the joint to form a pool of molten metal materials that cools to form a joint that is based on welding configuration, and it can be stronger than the base material.
Automatic welding machines are automated welding machines controlled by computer programs to conduct the welding process by which human workers don’t need to do manual operation in certain specific details such as supervising the lengths, bending angle, and other cutting conditions of the welded metal parts.
Furthermore, flash butt metal welding machines are electrical resistance metal welding processes designed on welding machines that are utilized for joining metal components, in which the energy transfer is offered primarily by the resistance heat from the parts.The metal parts and metal components are positioned end to end across the full joint areas. A range of section sizes and complex shapes can be con-joined through this type of machines. During the flash butt welding process, the parts are clamped and brought together slowly while a flashing voltage is applied for forming the new shapes.
Cut to length lines are often coupled with metal rolling forming machines to make the production process integrated. A cut to length line is a popular method of creating flat, rectangular blanks from larger metal coils. This method is also known as a CTL or a blanking line, and many suppliers’ cut to length machines will uncoil the larger material or master coil, straighten or flatten it, and then cut it to the required length as it moves through the metal roll forming lines.
All the stacks will eventually be placed to a bundle for convenient purposes. Because steel does not come off of a larger coil in a flat form, it needs to be stretched into flatness before the metals are put on the CTL process. Many of the cut to length line suppliers uses roller leveling technology for stretching and forming the materials, because this method increases flatness tolerance and material stability in a significant way.
Beside these forming methods, there are still other machines that can do the metal forming process without much high end technology but with high stability and productivity. It is said that if many cutting processes can be designed to a process just like press punch, then the metal working would be easier in many aspects.
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